C#实现的GDI+时钟代码,CSharp代码库,德仔网

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【CSharp】 C#实现的GDI+时钟
作者:DDT / 发布于2012/1/29/ 833
<div>using System;
using System.Data; 
using System.Drawing; 
using System.Drawing.Drawing2D; 
class Clock
{
 private Point mickeyMouse = new Point(0, 0);
 private void Form1_Paint(object sender, PaintEventArgs e) 
 { 
 DrawClock(e.Graphics); 
 timer1.Start(); 
 }
<div> private void DrawClock(Graphics g) 
 { 
 ///centre(120, 130);
 Rectangle outRect = new Rectangle(0, 0, 240, 260); 
 Rectangle midRect = new Rectangle(7, 7, 226, 246); 
 Rectangle inRect = new Rectangle(10, 10, 220, 240); 

 LinearGradientBrush outlBlueBrush = new LinearGradientBrush(outRect, Color.FromArgb(0, 0, 100), 
 Color.FromArgb(0, 0, 255), LinearGradientMode.BackwardDiagonal); 
 LinearGradientBrush midlBlueBrush = new LinearGradientBrush(midRect, Color.FromArgb(0, 0, 255), 
 Color.FromArgb(0, 0, 100), LinearGradientMode.BackwardDiagonal); 
 LinearGradientBrush inlBlueBrush = new LinearGradientBrush(inRect, Color.FromArgb(0, 0, 100), 
 Color.FromArgb(0, 0, 255), LinearGradientMode.BackwardDiagonal); 

 g.FillEllipse(outlBlueBrush, outRect); 
 g.FillEllipse(midlBlueBrush, midRect); 
 g.FillEllipse(inlBlueBrush, inRect); 
 outlBlueBrush.Dispose(); 
 midlBlueBrush.Dispose(); 
 inlBlueBrush.Dispose();
 Font myFont = new Font("Arial", 20, FontStyle.Bold); 
 SolidBrush whiteBrush = new SolidBrush(Color.White); 
 g.DrawString("12", myFont, whiteBrush, 100, 10); 
 g.DrawString("6", myFont, whiteBrush, 110, 223); 
 g.DrawString("3", myFont, whiteBrush, 210, 120); 
 g.DrawString("9", myFont, whiteBrush, 10, 120); 
 g.DrawString("1", myFont, whiteBrush, 160, 26); 
 g.DrawString("2", myFont, whiteBrush, 194, 64); 
 g.DrawString("5", myFont, whiteBrush, 156, 210); 
 g.DrawString("4", myFont, whiteBrush, 192, 174); 
 g.DrawString("11", myFont, whiteBrush, 55, 28); 
 g.DrawString("10", myFont, whiteBrush, 22, 66); 
 g.DrawString("7", myFont, whiteBrush, 64, 210); 
 g.DrawString("8", myFont, whiteBrush, 28, 174);
 myFont.Dispose(); 
 whiteBrush.Dispose(); 
 //DateTime; 
 g.TranslateTransform(120, 130, MatrixOrder.Append);
 Pen hourPen = new Pen(Color.White, 6); 
 hourPen.SetLineCap(LineCap.RoundAnchor, LineCap.ArrowAnchor, DashCap.Flat); 
 Pen minutePen = new Pen(Color.White, 4); 
 minutePen.SetLineCap(LineCap.RoundAnchor, LineCap.ArrowAnchor, DashCap.Flat); 
 Pen secondPen = new Pen(Color.Red, 2); 
 int sec = DateTime.Now.Second; 
 int min = DateTime.Now.Minute; 
 int hour = DateTime.Now.Hour; 
 double secondAngle = 2.0 * Math.PI * sec / 60.0; 
 double minuteAngle = 2.0 * Math.PI * (min + sec / 60.0) / 60.0; 
 double hourAngle = 2.0 * Math.PI * (hour + min / 60.0) / 12.0; 
 Point centre = new Point(0, 0); 
 Point hourHand = new Point((int)(40 * Math.Sin(hourAngle)), 
 (int)(-40 * Math.Cos(hourAngle))); 
 g.DrawLine(hourPen, centre, hourHand); 

 Point minHand = new Point((int)(80 * Math.Sin(minuteAngle)), 
 (int)(-80 * Math.Cos(minuteAngle))); 
 g.DrawLine(minutePen, centre, minHand); 

 Point secHand = new Point((int)(80 * Math.Sin(secondAngle)), 
 (int)(-80 * Math.Cos(secondAngle))); 
 g.DrawLine(secondPen, centre, secHand); 

 hourPen.Dispose(); 
 minutePen.Dispose(); 
 secondPen.Dispose(); 
 }
 private void timer1_Tick(object sender, EventArgs e) 
 { 
 this.Invalidate(); 
 }
 private void hideToolStripMenuItem_Click(object sender, EventArgs e) 
 { 
 if (contextMenuStrip1.Items[0].ToString() == "Hide") 
 { 
 this.Hide(); 
 contextMenuStrip1.Items[0].Text = "Show"; 
 return; 
 } 

 if (contextMenuStrip1.Items[0].ToString() == "Show") 
 { 
 this.Show(); 
 contextMenuStrip1.Items[0].Text = "Hide"; 
 return; 
 } 
 }
 private void Form1_MouseDown(object sender, MouseEventArgs e) 
 { 
 mickeyMouse = new Point(-e.X, -e.Y); 
 }
 private void Form1_MouseMove(object sender, MouseEventArgs e) 
 { 
 if (e.Button == MouseButtons.Left) 
 { 
 Point mousePos = Control.MousePosition; 
 mousePos.Offset(mickeyMouse.X, mickeyMouse.Y); 
 Location = mousePos; 
 } 
 }
 private void notifyIcon1_DoubleClick(object sender, EventArgs e) 
 { 
 if (contextMenuStrip1.Items[0].ToString() == "Show") 
 { 
 this.Show(); 
 contextMenuStrip1.Items[0].Text = "Hide"; 
 return; 
 } 
 }
}
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